On Thu, Jan 19, 2017 at 7:07 AM, Rafia Sabih
<rafia.sa...@enterprisedb.com> wrote:
> Please find the attached file rebased patch of parallel index-only
> scan on the latest Parallel index-scan patch [1].

This again needs minor rebasing but basically looks fine.  It's a
pretty straightforward extension of the parallel index scan work.

Please make sure that this is pgindent-clean - i.e. that when you
pgindent the files that it touches, pgindent doesn't change anything
of the same parts of the file that you've changed in the patch.  Also,
I believe Amit may have made some adjustments to the logic in
nodeIndexScan.c; if so, it would be good to make sure that the
nodeIndexOnlyScan.c changes match what was done there.  In particular,
he's got this:

                if (reset_parallel_scan && node->iss_ScanDesc->parallel_scan)

And you've got this:

+               if (reset_parallel_scan)
+                       index_parallelrescan(node->ioss_ScanDesc);

There might be some other inconsistencies as well that I didn't notice
on a quick look.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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